Finding the Third Proportional to 63,995 and 139,653.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,995 : 139,653.50 = 139,653.50 : x
2. Step 2: Convert to fraction form
   63,995/139,653.50 = 139,653.50/x
3. Step 3: Cross multiply
   63,995x = 139,653.50 × 139,653.50
4. Step 4: Simplify right side
   63,995x = 19,503,100,062.25
5. Step 5: Solve for x
   x = 19,503,100,062.25/63,995
6. Step 6: Final answer
   x = 304,759.75